How To Lay A Concrete Roof

Knowing the roof s size can help you get the correct flashing length.

How to lay a concrete roof.

Place drip edge flashing on the roof. The bottom of the joists should rest on either a beam or a wall. Roll out 10 foot 3 m long sections at a time and then secure it with nails separated by intervals of 24 inches. Let this dry completly.

The open end should face sideways. The steel joists will provide a strong foundation for the flat concrete roofing. This will give it the support it requires. When you reach the end of the roof cut the underlayment roll to match the edge.

Next place your two tiles one on top of the other loose onto the battens without anything being fixed. Keep all nails at least 2 inches from the edge of the roof. For a concrete roof we would usually clean and scrape the surface of the roof until all old moss and dirt is gone sweep it spotless then apply two coats of bitumen primer which will soak into the substrate and give you a good surface to start on. A concrete roof is exactly what it sounds like.

Use the flashing to cover the outside edges of your roof. Otherwise attach the tiles to the roof felt. As the width of the concrete slab is 16 3 4 inches place the steel joists at this distance. How to tile a roof if you would prefer to read how to tile a roof and see more help please visit this link unless you found this video via my website.

Secure the end with nails. Make sure the tile lugs are seated snuggly onto the top edges of the battens. Exact specifications vary but most concrete roofs are several inches thick. Attach the roof tiles if there are roof battens nail the tiles to them.

1 position a roll of 60 or 90 pound underlay at one side of the roof perpendicular to the lower edge of the roof. Next place the concrete slab on its face. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Use roof adhesive to fix down the tiles as each one is slid into place and nail the tiles down.

Check the labeling before choosing the flashing. A solid slab of concrete capping the top of your house. Installing a cement tile underlay is easier with the help of an assistant. Firstly get two of your roof tiles and either two full battens or two offcuts of batten and place them onto the roof one above the other.